Business tools
Invoice math, margins and QR codes for day-to-day business work.
3 tools
Invoice Calculator
Add line items, tax, and discounts to estimate an invoice total.
Use Tool →Profit Margin Calculator
Calculate profit, margin %, and markup from cost and selling price.
Use Tool →QR Code Generator
Create a QR code for a URL or text and download it as PNG.
Use Tool →Why use business tools here?
Every tool in this category runs in your browser when possible — so you get speed, privacy and no forced signup. Results stay on your device unless a tool clearly says otherwise.
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